CN105645344B - A kind of antifreeze filling gun of vacuum - Google Patents
A kind of antifreeze filling gun of vacuum Download PDFInfo
- Publication number
- CN105645344B CN105645344B CN201610148809.8A CN201610148809A CN105645344B CN 105645344 B CN105645344 B CN 105645344B CN 201610148809 A CN201610148809 A CN 201610148809A CN 105645344 B CN105645344 B CN 105645344B
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- claw
- outer tube
- filling gun
- vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to low temperature or ultralow temperature applied technical fields, more particularly to the charging point of liquefied natural gas, specially a kind of antifreeze filling gun of vacuum, including outer tube, inner sleeve and nonreturn valve core component；What outer tube opposite can slide is sheathed on outside inner sleeve, and the sealing of nonreturn valve core component is installed in inner sleeve one end；Vacuum layer is equipped in the tube wall of inner sleeve.Due to said mechanism, its vacuum layer can reduce the conduction of low temperature, to slow down and reduce the frosting of handle mechanism in filling process, locating ring and claw movable device and freeze possible, to ensure the flexibility of operation to greatest extent, due to eliminating the articulating members such as pull rod, without carrying out size adjusting to pull rod, agent structure is ensured by design and structure, size is more stable, avoids that pressure release is insufficient to cause filling gun the security risks such as surprisingly to exit；Increase axle sleeve positioning between inner sleeve and outer tube simultaneously, positioning accuracy higher phenomena such as ensure that handle arrangement non-loosening during use, swing, keeps operation more stable, conveniently.
Description
Technical field
The present invention relates to low temperature or ultralow temperature applied technical fields, more particularly to the filling gun of liquefied natural gas.
Background technology
Filling gun is one of kernel component of loading system, it is to realize that liquid filler is carried out with vehicle-mounted filler and steel cylinder
The carrier being reliably connected, to control the medium of filling to the flowing of vehicle steel cylinder.When filling gun connects, filling gun it is unidirectional
The nonreturn valve core of spool and filler is mutually open-top, forms medium channel, and medium may be implemented smoothly to circulate；When filling gun and add
When geat is separated from, the nonreturn valve core of filling gun and filler rely on respectively the effect of pressure medium and spring force automatically reset into
Row sealing ensures not generate leakage.Before filling gun and filler disengage, overbottom pressure the letting out by filler between the two spool
Pressure hole drains.Filling gun is that manual operation is most frequent in filling apparatus, one of equipment most easily to break down.
There are following defects for existing filling gun：
1, since the ultralow temperature of filling medium, medium temperature are maintained at -150 DEG C~-170 DEG C for a long time, ultralow temperature passes through
Inner sleeve can be to external diffusion, it is directly transferred to outer tube and corresponding click-on mechanism, locating ring etc. by inner sleeve, leads to card
The easily frosting of the moving parts of pawl mechanism and locating ring, the frost of knot melts becomes water later, and low temperature is met when filling again and is build-up ice,
To make filling gun be frozen in, make to plug and unplug extremely difficult when taking, influences the efficiency of work and the flexibility of operation.
2, it is linked together by pull rod and connecting plate and inner sleeve due to locating ring, pull rod is that activity is adjustable
, size adjusting is carried out when to produce every time, pull-rod nut may will produce loosening in use, cause to fill
The change in size of gun body, the vent position for influencing filling gun and filler change, and generation pressure release is insufficient, and filling gun surprisingly exits
Etc. security risks.
Invention content
The goal of the invention of the present invention is：In view of the above problems, a kind of antifreeze filling gun of vacuum is provided, in inner sleeve
Vacuum layer is provided in pipe, to reduce conduction of its low temperature to external movable device, to slow down and reduce the possibility of icing,
Agent structure is prevented to be frozen in improve operating flexibility to greatest extent；The articulating members such as pull rod are eliminated, are not necessarily to
Size adjusting is carried out to pull rod, agent structure ensures that size is more stable by design and structure, avoids that pressure release is insufficient to be caused
Filling gun such as surprisingly exits at the security risks；Increase axle sleeve positioning between inner sleeve and outer tube simultaneously, positioning accuracy higher is protected
Phenomena such as having demonstrate,proved structure non-loosening during use, having swung keeps operation more stable, conveniently.
The technical solution adopted by the present invention is as follows：
The invention discloses a kind of antifreeze filling guns of vacuum, including outer tube, inner sleeve and nonreturn valve core component；Housing
What pipe opposite can slide is sheathed on outside inner sleeve, and the sealing of nonreturn valve core component is installed in inner sleeve one end；In the tube wall of inner sleeve
It is interior to be equipped with vacuum layer.Due to said mechanism, vacuum layer can reduce the conduction of low temperature, to slow down and reduce in filling process
Handle mechanism, the frosting of locating ring and claw movable device and icing are possible, to ensure the flexibility of operation to greatest extent.
The tube wall of inner sleeve includes the first tube wall and the second tube wall, and the second tube wall is arranged on the first tube wall, the second tube wall set
Edge and the first tube wall be tightly connected, and form vacuum layer between the second tube wall and the first tube wall, the thickness of the vacuum layer
For 5-10mm.The tube wall of inner sleeve is divided into two parts by above structure, this two parts constitutes vacuum layer, and two parts are applied in combination,
Structure can be simplified, be conducive to uniformly accurately control vacuum layer thickness, be convenient for the manufacture of inner sleeve, reduce the production of inner sleeve
Cost.The thickness of vacuum layer is that 5-10mm fully considers that filling gun completely cuts off temperature and filling gun size, does not influence the total of filling gun
Body size, intensity and use simultaneously ensure every cold effect.
The rear end of the outer tube is connected by handle mechanism with inner sleeve, and main bullet is equipped between outer tube and inner sleeve
Spring；Handle mechanism is used to control the opposite sliding of inner sleeve and outer tube, and main spring is for inner sleeve sliding opposite with outer tube
Reset.Above-mentioned handle mechanism can effectively ensure that the opposite sliding between inner sleeve and outer tube, prevent inner sleeve and outer
It is interfered between casing, support plate is merged with outer tube by structure, reduce the possibility of fit clearance generation,
Keep structure simpler, safeguards more convenient.
Two handle mechanisms are symmetricly set on the rear end of the outer tube, and handle mechanism includes handle and connecting rod, taper knob, handle
Axis, linking arm and connecting plate, one end rotation connection Handle axis of handle and connecting rod, the other end are rotatablely connected outer tube, taper knob set
It is located in Handle axis, inner sleeve is equipped with connecting plate, and the both ends of linking arm are rotatablely connected with handle and connecting rod and connecting plate respectively；Hand
Handle mechanism is used to control the opposite sliding of inner sleeve and outer tube.
Above structure eliminates the articulating members such as pull rod, without carrying out size adjusting, agent structure by design and
Structure ensures that size is more stable, and avoiding change in size makes pressure release is insufficient filling gun is caused the security risks such as surprisingly to exit；Together
When increase axle sleeve positioning between inner sleeve and outer tube, positioning accuracy higher ensure that structure non-loosening during use, pendulum
Phenomena such as dynamic, keeps operation more stable, conveniently.
Filling gun front end is provided with click-on mechanism and detent mechanism；The detent mechanism is slided with inner sleeve relative to outer tube
When, detent mechanism is coordinated by inclined-plane with the open or close click-on mechanism with click-on mechanism.The mode of its inclined-plane cooperation can
Inner sleeve sliding process opposite with outer tube is avoided to generate interference in the process of running.
Click-on mechanism includes claw, claw pin, resetting spring, claw copper sheathing and claw baffle ring；Claw front is equipped with pawl
Head, middle part are equipped with pin hole and rear portion is equipped with spring base；Claw copper sheathing is placed in pin hole, and claw pin is placed in claw copper sheathing, claw
In pin connection to outer tube, with claw copper sheathing end is located in, resetting spring is butted between spring base and outer tube claw baffle ring.
Click-on mechanism includes claw, and skew wall before claw is equipped on claw；The detent mechanism includes locating ring, limit
Circle and limited block, the front end of locating ring is equipped with the locating ring skew wall coordinated with skew wall before claw, rear end is connected with more than its outer diameter
Spacing collar, spacing collar is connected by screw limited block；Limited block passes through the elongate holes being set on outer tube and inner sleeve pipe clamp
It connects；When inner sleeve drives detent mechanism to be slided relative to outer tube, skew wall makes claw open before locating ring skew wall pushes claw, or
Person's locating ring skew wall makes claw be closed far from skew wall before claw.
Nonreturn valve core component includes nonreturn valve core, valve core spring, spring base, limit conduit and circlip for hole；Unidirectionally
Spool is arranged in the front end of inner sleeve and seals cooperation with the inclined-plane of inner sleeve, and the rear end that valve core spring is connected to nonreturn valve core carries
For axial elastic force.Above-mentioned nonreturn valve core component can effectively control the filling of LNG liquid or other cold liquid, energy control device
Normal operating ensures that check valve assembly can realize that quick on-off, spring can reduce impact of the nonreturn valve core to inner sleeve, carry
High leakproofness, the effective safe handling for ensureing equipment.
Outer tube uses integrally formed overall structure, and without carrying out size adjusting, size and structure are protected by design completely
Phenomena such as card, structure is less prone to loosening in use, avoiding the variation of structure size makes filling body vent position
Variation causes pressure release is insufficient filling gun is caused surprisingly to exit generation security risk.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, filling gun of the invention is equipped with vacuum layer in the outside of inner sleeve, can be effectively improved handle machine in filling process
Structure, the frosting of locating ring and claw movable device and icing are possible, prevent agent structure to be frozen in ensure behaviour to greatest extent
The flexibility of work.
2, filling gun of the invention, support plate is merged with outer tube by structure, reduces fit clearance production
Raw possibility keeps structure simpler, safeguards more convenient.
3, filling gun of the invention, eliminates the articulating members such as pull rod, and without carrying out size adjusting, agent structure is logical
It crosses design and structure ensures that size is more stable, avoiding change in size makes pressure release is insufficient filling gun is caused the peaces such as surprisingly to exit
Full hidden danger；Increase axle sleeve positioning between inner sleeve and outer tube simultaneously, positioning accuracy higher ensure that structure during use
Non-loosening, phenomena such as swinging, keep operation more stable, conveniently.
Description of the drawings
Fig. 1 is the structural schematic diagram of the filling gun of the present invention；
Fig. 2 is inner sleeve vacuum part structural schematic diagram；
Fig. 3 is filling gun integral outer schematic diagram；
Fig. 4 is filling gun whole interior structural schematic diagram；
Fig. 5 is the locating ring and claw cooperation schematic diagram when state is closed in I part in Fig. 4；
Locating ring when Fig. 6 is I part retracted state in Fig. 4 and claw cooperation schematic diagram；
Fig. 7 is the left view of Fig. 1；
It is marked in figure：1- outer tubes, 2- claws, 3- locating rings, 4- claw pins, 7- resetting springs, 8- spacing collars, 9- limits
Block, 10- soket head cap screws, 11- connection rings, 12- inner sleeves, 13- spring retainer circles, 14- main springs, 15- axle sleeves, 16- cushion blocks,
17- master has strong market potential, 18- linking arms, 19- connecting plates, the short pin of 20- master, 21- washers, 22- handle and connecting rods, 23- taper knobs, 25- handles
Axis, 26- connectors, 27- sealing rings, the holes 28- baffle ring, 29- limit conduit, 30- spring bases, 31- retaining springs, 32- spool bullets
Spring, 33- nonreturn valve cores, 34- spring energy-storage sealing rings, 35- copper baffle rings, 36- shaft block rings, 37- stub copper sheathings, 38- guidees,
39- soket head cap screws, 40- click-on mechanisms, 41- handle mechanisms, 42- annular grooves, 43- long strip through hole, 44- locating ring skew walls,
Skew wall before 45- claws, skew wall after 46- claws, 47- vacuum layers, 48- arc grooves.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
This specification（Including any accessory claim, abstract）Disclosed in any feature, unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
Specific embodiment：
As shown in figs. 1-7, the antifreeze filling gun of a kind of vacuum of the invention, including outer tube 1, inner sleeve 12 and check valve
Core assembly；What outer tube 1 opposite can slide is sheathed on outside inner sleeve 12, and the sealing of nonreturn valve core component is installed in inner sleeve 12 1
End；Vacuum layer 47 is equipped in the tube wall of inner sleeve 12.The tube wall of inner sleeve 12 includes the first tube wall and the second tube wall, the second pipe
Wall is arranged on the first tube wall, edge and the first tube wall sealed connection of the second tube wall set, and the second tube wall and the first tube wall it
Between form vacuum layer 47, the thickness of the vacuum layer 47 is 5-10mm.
The rear end of outer tube 1 is connected by handle mechanism 41 with inner sleeve 12, is set between outer tube (1) and inner sleeve 12
There is main spring 14；Handle mechanism 41 is used to control inner sleeve 12, and opposite sliding, main spring 14 are used for inner sleeve 12 with outer tube 1
The reset of opposite sliding with outer tube 1.
As shown in Figure 1 to Figure 2, the handle mechanism 41 being arranged symmetrically there are two being set on the rear end of outer tube 1, handle mechanism
41 include handle and connecting rod 22, taper knob 23, Handle axis 24 and linking arm 18, and one end of handle and connecting rod 22 is rotatablely connected Handle axis
24, the other end is rotatablely connected outer tube；Taper knob 23 is set in Handle axis 24, and connecting plate 19 is fixedly connected on inner sleeve 12
On, the both ends of linking arm 18 are rotatablely connected with handle and connecting rod 22 and connecting plate 19 respectively, and handle and connecting rod 22 passes through main 17 rivetings of having strong market potential
It is connected on outer tube 1, main have strong market potential is connected with linking arm 18 on 17, and linking arm 18 is connected to connecting plate by the short pin of the master of riveting 20
It is remake on 19 for inner sleeve 12；Handle mechanism is used to control the opposite sliding with outer tube 1 of inner sleeve 12.Inner sleeve 12 is logical
It crosses main short pin 20 to be fixed together with connecting plate 19, connecting plate 19 passes through the main spring 14, the bullet that are arranged on 12 outer wall of inner sleeve
Spring spacing collar 13 and axle sleeve 15 are butted on the step of 1 inside of outer tube, and annular groove, two handles are equipped in the front end of inner sleeve 12
Mechanism controls the card of locating ring 3 and outer tube 1 by rotating while acting on connecting plate 19, then by the flexible of main spring 14
The cooperation of pawl mechanism makes claw 2 open or close up, to be attached with filler to run filling process.
Filling gun front end is provided with click-on mechanism and detent mechanism；The detent mechanism is with inner sleeve 1 relative to outer tube 12
When sliding, detent mechanism is coordinated by inclined-plane with the open or close click-on mechanism with click-on mechanism.
As shown in Fig. 1, Fig. 5 to Fig. 6, three click-on mechanisms are to be distributed on 1 circumferencial direction of outer tube, and click-on mechanism includes
Claw 2, claw pin 4, resetting spring 7, claw copper sheathing and claw baffle ring；Claw front be equipped with pawl head, middle part be equipped with pin hole and after
Portion is equipped with spring base；Claw copper sheathing is placed in pin hole, and claw pin 4 is placed in claw copper sheathing, in claw pin connection to outer tube 12,
Claw baffle ring is with claw copper sheathing end is located in, and resetting spring 7 is butted between spring base and outer tube 12, and the claw 2 passes through
Claw pin 4 is connected on outer tube 1 and can relatively rotate,.
As shown in Figure 5 to Figure 6, click-on mechanism includes claw 2, and skew wall 45 before claw is equipped on claw 2；Detent mechanism packet
Locating ring 3, spacing collar 8 and limited block 9 are included, locating ring 3 passes through soket head cap screw 10 and spacing collar 8, connection ring 11 and limited block
9 link together, and spacing collar 8 is provided with the groove for limiting limited block 9, to limit its rotation in circumferencial direction；Positioning
Circle 3 is matched with the click-on mechanism 40 that the front end of outer tube 1 is arranged, and the front end of locating ring 3 is equipped with to be coordinated with skew wall before claw 45
Locating ring skew wall 44, rear end be connected with the spacing collar 8 more than its outer diameter, spacing collar 8 is connected by screw limited block 9；Limit
Block 9, which passes through, is set to the elongate holes 43 on outer tube 12 and the annular groove clamping on inner sleeve 12, and strip hole 43 is for limit
Block 9 is moved forward and backward；When inner sleeve 12 drives detent mechanism to be slided relative to outer tube 1, before the promotion claw of locating ring skew wall 44 tiltedly
Wall 45 make claw open or locating ring skew wall 44 far from skew wall before claw 45 make claw 2 be closed.
As shown in Figure 1, nonreturn valve core components include nonreturn valve core 33, valve core spring 32, spring base 30, limit conduit
29 and circlip for hole 28, nonreturn valve core is arranged to be coordinated in the front end of inner sleeve and being sealed with the inclined-plane of inner sleeve, spool bullet
The rear end that spring 32 is connected to nonreturn valve core 33 provides axial elastic force.When 33 tip stress of nonreturn valve core, spring-compressed, check valve
Core 33 is inwardly opened, and medium can smoothly circulate.Simultaneously by the limitation of hole baffle ring 28, it is ensured that corresponding parts will not be pressed
Go out.
As described in Figure 1, filling gun of the invention, the rear end exterior arc surface of the inner sleeve 12 be equipped with spring retainer circle 13 and
Axle sleeve 15 coordinates（Coordinate a diameter of φ 51mm）, the axle sleeve 15 acts on main spring using the high nonmetallic materials of wearability
On 14, and coordinated with outer tube 1（Coordinate a diameter of φ 68mm）, to improve its be slidably matched performance and positioning accuracy；Institute
It states 12 rear end of inner sleeve to link together with connecting plate 19 by the short pin 20 of master of riveting, be connected on the rear end of inner sleeve 12
Connector 26 is provided with copper sealing ring 27 between the connector 26 and inner sleeve 12, is connected through a screw thread sealing fastening.
The master of handle mechanism 41 has strong market potential 17 and main short pin 20 wherein in the present invention, and tooling or pressure are used in assembling process
Machine is pressed into riveting.Handle mechanism 41 is linked together by riveting with outer tube 1, due to being not necessarily to carry out to filling gun size
Adjustment, therefore handle mechanism also can avoid the loosening of parts and fallen using riveting fixed form.
The inner sleeve of the present invention is provided with vacuum layer, and the low temperature that can effectively reduce the ultralow temperature medium inside inner sleeve is outside
The conduction of portion's movable device, to slow down and reduce the possibility of icing, to improve operating flexibility to greatest extent.
The filling gun of the present invention, support plate is merged with outer tube by structure, reduces fit clearance generation
Possibility, keep structure simpler, safeguard more convenient.The aluminum alloy spare parts such as outer tube are handled using hard anodizing simultaneously,
Improve its shock resistance and wearability.
The filling gun of the present invention, eliminates the articulating members such as pull rod, without carrying out size adjusting, agent structure passes through
Design and structure ensure that size is more stable, avoid change in size make pressure release it is insufficient cause filling gun surprisingly exit it is equal safely
Hidden danger；Increase axle sleeve positioning between inner sleeve and outer tube simultaneously, positioning accuracy higher, ensure that during use structure without
Phenomena such as loosening, swinging, keeps operation more stable, conveniently.
The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (8)
1. a kind of antifreeze filling gun of vacuum, which is characterized in that it includes outer tube（1）, inner sleeve（12）And nonreturn valve core group
Part；What outer tube (1) opposite can slide is sheathed on inner sleeve（12）Outside, nonreturn valve core component sealing is installed in inner sleeve（12）
One end；In inner sleeve（12）Tube wall in be equipped with vacuum layer（47）；The tube wall of the inner sleeve includes the first tube wall and the second pipe
The outer surface of wall, first tube wall is recessed inwardly into groove；Second tube wall is set on the groove of the first tube wall, and second
Groove on the edge of tube wall and the first tube wall is tightly connected, and makes the groove type between the second tube wall and the first tube wall at vacuum layer
（47）, the vacuum layer（47）Thickness be 5-10mm.
2. the antifreeze filling gun of vacuum as described in claim 1, which is characterized in that the outer tube（1）Rear end pass through handle
Mechanism（41）With inner sleeve（12）It is connected, outer tube (1) and inner sleeve（12）Between be equipped with main spring（14）；Handle mechanism
（41）For controlling inner sleeve（12）With outer tube（1）Opposite sliding, main spring（14）For inner sleeve（12）With outer tube
（1）The reset of opposite sliding.
3. the antifreeze filling gun of vacuum as claimed in claim 2, which is characterized in that two handle mechanisms are symmetricly set on the housing
Pipe（1）Rear end, handle mechanism includes handle and connecting rod（22）, taper knob（23）, Handle axis（24）And linking arm（18）, handle
Connecting rod（22）One end be rotatablely connected Handle axis（24）, the other end be rotatablely connected outer tube, taper knob（23）It is set in Handle axis
（24）On, inner sleeve（12）It is equipped with connecting plate（19）, linking arm（18）Both ends respectively with handle and connecting rod（22）And connecting plate
（19）Rotation connection；Handle mechanism is for controlling inner sleeve（12）With outer tube（1）Opposite sliding.
4. the antifreeze filling gun of vacuum as described in claim 1, which is characterized in that filling gun front end is provided with click-on mechanism and determines
Position mechanism；The detent mechanism is with inner sleeve（12）Relative to outer tube（1）When sliding, detent mechanism passes through inclined-plane with click-on mechanism
Cooperation is with the open or close click-on mechanism.
5. the antifreeze filling gun of vacuum as claimed in claim 4, which is characterized in that the click-on mechanism includes claw（2）, claw
Pin（4）, resetting spring（7）, claw copper sheathing and claw baffle ring；Claw front is equipped with pawl head, middle part is equipped with pin hole and rear portion is set
There is spring base；Claw copper sheathing is placed in pin hole, claw pin（4）It is placed in claw copper sheathing, claw pin connection to outer tube（1）On,
Claw baffle ring is same to be located in claw copper sheathing end, resetting spring（7）It is butted on spring base and outer tube（1）Between.
6. the antifreeze filling gun of vacuum as claimed in claim 4, which is characterized in that the click-on mechanism includes claw（2）, in card
Pawl（2）Equipped with skew wall before claw（45）；The detent mechanism includes locating ring（3）, spacing collar（8）And limited block（9）, fixed
Position circle（3）Front end be equipped with and skew wall before claw（45）The locating ring skew wall of cooperation（44）, rear end is connected with more than its outer diameter
Spacing collar（8）, spacing collar（8）It is connected by screw limited block（9）；Limited block（9）Across set on outer tube（1）On strip
Hole（43）With inner sleeve（12）Clamping；Inner sleeve（12）Drive detent mechanism relative to outer tube（1）When sliding, locating ring skew wall
（44）Skew wall before promotion claw（45）Claw is set to open or locating ring skew wall（44）Far from skew wall before claw（45）Make claw
（2）It is closed.
7. the antifreeze filling gun of vacuum as claimed in claim 4, which is characterized in that the nonreturn valve core component includes nonreturn valve core
（33）, valve core spring（32）, spring base（30）, limit conduit（29）And circlip for hole（28）, nonreturn valve core（33）Setting
Coordinate in the front end of inner sleeve and the sealing of the inclined-plane of inner sleeve, valve core spring（32）It is connected to nonreturn valve core（33）Rear end provide
Axial elastic force.
8. such as the antifreeze filling gun of claim 1-7 any one of them vacuum, which is characterized in that outer tube is using integrally formed
Overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148809.8A CN105645344B (en) | 2016-03-16 | 2016-03-16 | A kind of antifreeze filling gun of vacuum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148809.8A CN105645344B (en) | 2016-03-16 | 2016-03-16 | A kind of antifreeze filling gun of vacuum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105645344A CN105645344A (en) | 2016-06-08 |
| CN105645344B true CN105645344B (en) | 2018-07-24 |
Family
ID=56493791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610148809.8A Active CN105645344B (en) | 2016-03-16 | 2016-03-16 | A kind of antifreeze filling gun of vacuum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105645344B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768115B (en) * | 2017-01-23 | 2023-04-18 | 成都安迪生精测科技有限公司 | High vacuum mass flowmeter |
| CN108253285A (en) * | 2018-01-23 | 2018-07-06 | 特瑞斯能源装备股份有限公司 | A kind of filling gun body and its charging method |
| CN110925591A (en) * | 2019-10-16 | 2020-03-27 | 北京航天试验技术研究所 | Liquid hydrogen filling device |
| CN110848562A (en) * | 2019-10-16 | 2020-02-28 | 北京航天试验技术研究所 | Liquid hydrogen filling device |
| CN110848561A (en) * | 2019-10-16 | 2020-02-28 | 北京航天试验技术研究所 | Liquid hydrogen filling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2121505B (en) * | 1982-05-20 | 1985-08-29 | Getters Spa | Vacuum insulated fluid transport pipes |
| US6533334B1 (en) * | 1999-10-13 | 2003-03-18 | Chart Inc. | Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid |
| CN102418823A (en) * | 2011-10-28 | 2012-04-18 | 杭州杭氧环保成套设备有限公司 | Fast butt connector |
| CN103672405A (en) * | 2013-12-16 | 2014-03-26 | 羊宸机械（上海）有限公司 | Vacuum insulation ultralow-temperature medium land conveying device |
| CN204226958U (en) * | 2014-06-28 | 2015-03-25 | 重庆巨创计量设备股份有限公司 | Lng vacuum tube |
| CN104819376A (en) * | 2015-04-24 | 2015-08-05 | 北京安泰百克能源技术有限公司 | Injector |
| CN205442627U (en) * | 2016-03-16 | 2016-08-10 | 成都安迪生测量有限公司 | Filling gun prevents frostbite in vacuum |
-
2016
- 2016-03-16 CN CN201610148809.8A patent/CN105645344B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2121505B (en) * | 1982-05-20 | 1985-08-29 | Getters Spa | Vacuum insulated fluid transport pipes |
| US6533334B1 (en) * | 1999-10-13 | 2003-03-18 | Chart Inc. | Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid |
| CN102418823A (en) * | 2011-10-28 | 2012-04-18 | 杭州杭氧环保成套设备有限公司 | Fast butt connector |
| CN103672405A (en) * | 2013-12-16 | 2014-03-26 | 羊宸机械（上海）有限公司 | Vacuum insulation ultralow-temperature medium land conveying device |
| CN204226958U (en) * | 2014-06-28 | 2015-03-25 | 重庆巨创计量设备股份有限公司 | Lng vacuum tube |
| CN104819376A (en) * | 2015-04-24 | 2015-08-05 | 北京安泰百克能源技术有限公司 | Injector |
| CN205442627U (en) * | 2016-03-16 | 2016-08-10 | 成都安迪生测量有限公司 | Filling gun prevents frostbite in vacuum |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105645344A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105645344B (en) | A kind of antifreeze filling gun of vacuum | |
| USRE47322E1 (en) | Rapid evacuation and charging system, and apparatus and methods relating thereto | |
| CN104819376A (en) | Injector | |
| CN205065283U (en) | Liquid feeding rifle | |
| CN103673755A (en) | Rapid-emitting air cannon | |
| CN205442627U (en) | Filling gun prevents frostbite in vacuum | |
| CN106493683A (en) | A kind of screw thread turns round disk | |
| CN113483257A (en) | Safe filling gun | |
| US9170066B2 (en) | Adapter kit and method for a paintball marker with a .68 caliper barrel | |
| CN207348062U (en) | A kind of buried bar manually pulls up device | |
| GB2581873A (en) | A running tool and method of cleaning a downhole well casing | |
| CN203615826U (en) | Rapid fire air cannon | |
| CN208800283U (en) | A kind of airless spray gun | |
| CN110894902B (en) | Telescopic crawling robot in pneumatic pipe | |
| CN209924926U (en) | Propelling beam assembly for drilling blast holes on periphery of tunnel | |
| CN201684324U (en) | Fire-fighting straight stream nozzle made of titanium alloy or titanium material | |
| CN113251856A (en) | Dredging device for dredging gun tube | |
| CN102798318B (en) | Sighting device equipped with stretchable shading cylinder | |
| CN204824140U (en) | Filling ware | |
| CN206656643U (en) | A kind of fast quick-mounting rubber band and the rotatable catapult of bow | |
| CN206393026U (en) | A kind of pipeline welding device | |
| CN205779659U (en) | Filler instrument and curved bar pumping system | |
| CN215929204U (en) | Safe filling gun | |
| CN203754740U (en) | Lengthened oxygen interface device for burning oxygen in front of blast furnace | |
| CN219890275U (en) | Explosion-proof fork that army used on duty |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |